The Blockade of Africa began in 1808, the same year as which US law about slaves? 
Act Prohibiting Importation of Slaves
-1
Section::::Abstract.
Blockade of Africa
1176080
-1
Section::::Abstract.
Blockade of Africa
1176080
-1
Section::::Abstract.
Act Prohibiting Importation of Slaves
55565
-1
Section::::Abstract.
Act Prohibiting Importation of Slaves
55565